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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2010-09-16 2022-08-17
Inorganics, Major, Non-metals Water-quality 2018-05-15 2018-10-19
Nutrient Water-quality 2015-09-10 2018-10-19
Organics, other Water-quality 2015-09-10 2016-07-13
Physical Daily Values, Unit Values, Water-quality 2006-06-08 2024-11-21
Sediment Water-quality 2010-09-16 2022-08-17
n/a Site Visits 2006-08-01 2024-10-22
n/a USGS Annual Water Data Reports Site 2014-01-01 2021-01-01
Water Data for the Nation inventory

Monitoring location 11313431 is associated with a Stream in Contra Costa County, California. Current conditions of Discharge, Gage height, and Mean water velocity for discharge computation are available. Water data back to 2006 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
11313431 n/a
Site name
HOLLAND CUT NR BETHEL ISLAND CA n/a
Site type
Stream
ST
DMS latitude 380059 n/a
DMS longitude 1213455 n/a
Decimal latitude 38.01638889 n/a
Decimal longitude -121.5819444 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .5 sec (PLGR/PPS GPS). 5
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
California 06
State
California 06
County
Contra Costa County 013
Country US n/a
Land net location description n/a
Name of location map BOULDIN ISLAND n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
18040003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation PST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
n/a
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number 9677AAEDF n/a